[agent:cc] org-card: chart is single-stream only - filter out concurrency>1 rows (no conc-aggregate mixing)

hub_charts.py

@@ -49,6 +49,11 @@ def _candidates(rows: list[dict], variant: str) -> list[dict]:
             continue
         if r.get("vram_used_gb") is None or r.get("tok_s_decode") is None:
             continue
+        # This chart is SINGLE-STREAM speed / power / eff. concurrency>1 rows are an
+        # aggregate-throughput measurement and must not be deduped against (or outrank)
+        # the single-stream point - else a model is plotted at its concurrent aggregate.
+        if (r.get("concurrency") or 1) != 1:
+            continue
         key = (r.get("model"), r.get("gpu_count"))
         if key not in by or (r.get("tok_s_decode") or 0) > (by[key].get("tok_s_decode") or 0):
             by[key] = r